194963337945 has 48 divisors (see below), whose sum is σ = 351656585280. Its totient is φ = 99840843648.

The previous prime is 194963337929. The next prime is 194963337973. The reversal of 194963337945 is 549733369491.

194963337945 is a `hidden beast` number, since 1 + 9 + 496 + 3 + 33 + 79 + 45 = 666.

It is not a de Polignac number, because 194963337945 - 2⁴ = 194963337929 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 739702 + ... + 968031.

It is an arithmetic number, because the mean of its divisors is an integer number (7326178860).

Almost surely, 2^194963337945 is an apocalyptic number.

194963337945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

194963337945 is a deficient number, since it is larger than the sum of its proper divisors (156693247335).

194963337945 is a wasteful number, since it uses less digits than its factorization.

194963337945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707846 (or 1707843 counting only the distinct ones).

The product of its digits is 66134880, while the sum is 63.

The spelling of 194963337945 in words is "one hundred ninety-four billion, nine hundred sixty-three million, three hundred thirty-seven thousand, nine hundred forty-five".